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nss/nss-check-policy-file.patch

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--- ./lib/nss/config.mk.check_policy_file 2016-07-12 09:11:01.198867052 -0700
+++ ./lib/nss/config.mk 2016-07-12 09:15:58.739946540 -0700
@@ -99,8 +99,15 @@
ifeq (,$(filter-out WINNT WIN95,$(OS_TARGET)))
ifndef NS_USE_GCC
# Export 'mktemp' to be backward compatible with NSS 3.2.x and 3.3.x
# but do not put it in the import library. See bug 142575.
DEFINES += -DWIN32_NSS3_DLL_COMPAT
DLLFLAGS += -EXPORT:mktemp=nss_mktemp,PRIVATE
endif
endif
+
+ifdef POLICY_FILE
+ifndef POLICY_PATH
+$(error You must define POLICY_PATH if you set POLICY_FILE)
+endif
+DEFINES += -DPOLICY_FILE=\"$(POLICY_FILE)\" -DPOLICY_PATH=\"$(POLICY_PATH)\"
+endif
--- ./lib/nss/nssinit.c.check_policy_file 2016-06-20 10:11:28.000000000 -0700
+++ ./lib/nss/nssinit.c 2016-07-12 09:18:14.821671331 -0700
@@ -330,47 +330,47 @@
/*
* see nss_Init for definitions of the various options.
*
* this function builds a moduleSpec string from the options and previously
* set statics (from PKCS11_Configure, for instance), and uses it to kick off
* the loading of the various PKCS #11 modules.
*/
-static SECStatus
+static SECMODModule *
nss_InitModules(const char *configdir, const char *certPrefix,
const char *keyPrefix, const char *secmodName,
const char *updateDir, const char *updCertPrefix,
const char *updKeyPrefix, const char *updateID,
const char *updateName, char *configName, char *configStrings,
PRBool pwRequired, PRBool readOnly, PRBool noCertDB,
PRBool noModDB, PRBool forceOpen, PRBool optimizeSpace,
PRBool isContextInit)
{
- SECStatus rv = SECFailure;
+ SECMODModule *module = NULL;
char *moduleSpec = NULL;
char *flags = NULL;
char *lconfigdir = NULL;
char *lcertPrefix = NULL;
char *lkeyPrefix = NULL;
char *lsecmodName = NULL;
char *lupdateDir = NULL;
char *lupdCertPrefix = NULL;
char *lupdKeyPrefix = NULL;
char *lupdateID = NULL;
char *lupdateName = NULL;
if (NSS_InitializePRErrorTable() != SECSuccess) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
- return rv;
+ return NULL;
}
flags = nss_makeFlags(readOnly,noCertDB,noModDB,forceOpen,
pwRequired, optimizeSpace);
- if (flags == NULL) return rv;
+ if (flags == NULL) return NULL;
/*
* configdir is double nested, and Windows uses the same character
* for file seps as we use for escapes! (sigh).
*/
lconfigdir = NSSUTIL_DoubleEscape(configdir, '\'', '\"');
if (lconfigdir == NULL) {
goto loser;
@@ -427,24 +427,24 @@
if (lsecmodName) PORT_Free(lsecmodName);
if (lupdateDir) PORT_Free(lupdateDir);
if (lupdCertPrefix) PORT_Free(lupdCertPrefix);
if (lupdKeyPrefix) PORT_Free(lupdKeyPrefix);
if (lupdateID) PORT_Free(lupdateID);
if (lupdateName) PORT_Free(lupdateName);
if (moduleSpec) {
- SECMODModule *module = SECMOD_LoadModule(moduleSpec,NULL,PR_TRUE);
+ module = SECMOD_LoadModule(moduleSpec, NULL, PR_TRUE);
PR_smprintf_free(moduleSpec);
- if (module) {
- if (module->loaded) rv=SECSuccess;
+ if (module && !module->loaded) {
SECMOD_DestroyModule(module);
+ return NULL;
}
}
- return rv;
+ return module;
}
/*
* OK there are now lots of options here, lets go through them all:
*
* configdir - base directory where all the cert, key, and module datbases live.
* certPrefix - prefix added to the beginning of the cert database example: "
* "https-server1-"
@@ -509,41 +509,44 @@
return PR_FAILURE;
}
return PR_SUCCESS;
}
static SECStatus
nss_Init(const char *configdir, const char *certPrefix, const char *keyPrefix,
- const char *secmodName, const char *updateDir,
+ const char *secmodName, const char *updateDir,
const char *updCertPrefix, const char *updKeyPrefix,
const char *updateID, const char *updateName,
NSSInitContext ** initContextPtr,
NSSInitParameters *initParams,
- PRBool readOnly, PRBool noCertDB,
+ PRBool readOnly, PRBool noCertDB,
PRBool noModDB, PRBool forceOpen, PRBool noRootInit,
PRBool optimizeSpace, PRBool noSingleThreadedModules,
PRBool allowAlreadyInitializedModules,
PRBool dontFinalizeModules)
{
- SECStatus rv = SECFailure;
+ SECMODModule *parent = NULL;
PKIX_UInt32 actualMinorVersion = 0;
PKIX_Error *pkixError = NULL;
PRBool isReallyInitted;
char *configStrings = NULL;
char *configName = NULL;
PRBool passwordRequired = PR_FALSE;
+#ifdef POLICY_FILE
+ char *ignoreVar;
+#endif
/* if we are trying to init with a traditional NSS_Init call, maintain
* the traditional idempotent behavior. */
if (!initContextPtr && nssIsInitted) {
return SECSuccess;
}
-
+
/* make sure our lock and condition variable are initialized one and only
* one time */
if (PR_CallOnce(&nssInitOnce, nss_doLockInit) != PR_SUCCESS) {
return SECFailure;
}
/*
* if we haven't done basic initialization, single thread the
@@ -630,23 +633,23 @@
configStrings = pk11_config_strings;
configName = pk11_config_name;
passwordRequired = pk11_password_required;
}
/* Skip the module init if we are already initted and we are trying
* to init with noCertDB and noModDB */
if (!(isReallyInitted && noCertDB && noModDB)) {
- rv = nss_InitModules(configdir, certPrefix, keyPrefix, secmodName,
- updateDir, updCertPrefix, updKeyPrefix, updateID,
+ parent = nss_InitModules(configdir, certPrefix, keyPrefix, secmodName,
+ updateDir, updCertPrefix, updKeyPrefix, updateID,
updateName, configName, configStrings, passwordRequired,
- readOnly, noCertDB, noModDB, forceOpen, optimizeSpace,
+ readOnly, noCertDB, noModDB, forceOpen, optimizeSpace,
(initContextPtr != NULL));
- if (rv != SECSuccess) {
+ if (parent == NULL) {
goto loser;
}
}
/* finish up initialization */
if (!isReallyInitted) {
if (SECOID_Init() != SECSuccess) {
@@ -675,17 +678,40 @@
* path. Skip it */
dbpath = NULL;
}
if (dbpath) {
nss_FindExternalRoot(dbpath, secmodName);
}
}
}
-
+#ifdef POLICY_FILE
+ /* Load the system crypto policy file if it exists,
+ * unless the NSS_IGNORE_SYSTEM_POLICY environment
+ * variable has been set to 1. */
+ ignoreVar = PR_GetEnvSecure("NSS_IGNORE_SYSTEM_POLICY");
+ if (ignoreVar == NULL || strncmp(ignoreVar, "1", sizeof("1")) != 0) {
+ if (PR_Access(POLICY_PATH "/" POLICY_FILE, PR_ACCESS_READ_OK) == PR_SUCCESS) {
+ SECMODModule *module = SECMOD_LoadModule(
+ "name=\"Policy File\" "
+ "parameters=\"configdir='sql:" POLICY_PATH "' "
+ "secmod='" POLICY_FILE "' "
+ "flags=readOnly,noCertDB,forceSecmodChoice,forceOpen\" "
+ "NSS=\"flags=internal,moduleDB,skipFirst,moduleDBOnly,critical\"",
+ parent, PR_TRUE);
+ if (module) {
+ PRBool isLoaded = module->loaded;
+ SECMOD_DestroyModule(module);
+ if (!isLoaded) {
+ goto loser;
+ }
+ }
+ }
+ }
+#endif
pk11sdr_Init();
cert_CreateSubjectKeyIDHashTable();
pkixError = PKIX_Initialize
(PKIX_FALSE, PKIX_MAJOR_VERSION, PKIX_MINOR_VERSION,
PKIX_MINOR_VERSION, &actualMinorVersion, &plContext);
if (pkixError != NULL) {
@@ -716,32 +742,38 @@
nssIsInInit--;
/* now that we are inited, all waiters can move forward */
PZ_NotifyAllCondVar(nssInitCondition);
PZ_Unlock(nssInitLock);
if (initContextPtr && configStrings) {
PR_smprintf_free(configStrings);
}
+ if (parent) {
+ SECMOD_DestroyModule(parent);
+ }
return SECSuccess;
loser:
if (initContextPtr && *initContextPtr) {
PORT_Free(*initContextPtr);
*initContextPtr = NULL;
if (configStrings) {
PR_smprintf_free(configStrings);
}
}
PZ_Lock(nssInitLock);
nssIsInInit--;
/* We failed to init, allow one to move forward */
PZ_NotifyCondVar(nssInitCondition);
PZ_Unlock(nssInitLock);
+ if (parent) {
+ SECMOD_DestroyModule(parent);
+ }
return SECFailure;
}
SECStatus
NSS_Init(const char *configdir)
{
return nss_Init(configdir, "", "", SECMOD_DB, "", "", "", "", "", NULL,
diff --git a/lib/pk11wrap/pk11pars.c b/lib/pk11wrap/pk11pars.c
--- a/lib/pk11wrap/pk11pars.c
+++ b/lib/pk11wrap/pk11pars.c
@@ -105,16 +105,17 @@ secmod_NewModule(void)
* This allows system NSS to delegate those changes to the user's module DB,
* preserving the user's ability to load new PKCS #11 modules (which only
* affect him), from existing applications like Firefox.
*/
#define SECMOD_FLAG_MODULE_DB_IS_MODULE_DB 0x01 /* must be set if any of the
*other flags are set */
#define SECMOD_FLAG_MODULE_DB_SKIP_FIRST 0x02
#define SECMOD_FLAG_MODULE_DB_DEFAULT_MODDB 0x04
+#define SECMOD_FLAG_MODULE_DB_POLICY_ONLY 0x08
/* private flags for internal (field in SECMODModule). */
/* The meaing of these flags is as follows:
*
* SECMOD_FLAG_INTERNAL_IS_INTERNAL - This is a marks the the module is
* the internal module (that is, softoken). This bit is the same as the
* already existing meaning of internal = PR_TRUE. None of the other
@@ -699,16 +700,19 @@ SECMOD_CreateModuleEx(const char *librar
if (mod->isModuleDB) {
char flags = SECMOD_FLAG_MODULE_DB_IS_MODULE_DB;
if (NSSUTIL_ArgHasFlag("flags","skipFirst",nssc)) {
flags |= SECMOD_FLAG_MODULE_DB_SKIP_FIRST;
}
if (NSSUTIL_ArgHasFlag("flags","defaultModDB",nssc)) {
flags |= SECMOD_FLAG_MODULE_DB_DEFAULT_MODDB;
}
+ if (NSSUTIL_ArgHasFlag("flags", "policyOnly", nssc)) {
+ flags |= SECMOD_FLAG_MODULE_DB_POLICY_ONLY;
+ }
/* additional moduleDB flags could be added here in the future */
mod->isModuleDB = (PRBool) flags;
}
if (mod->internal) {
char flags = SECMOD_FLAG_INTERNAL_IS_INTERNAL;
if (NSSUTIL_ArgHasFlag("flags", "internalKeySlot", nssc)) {
@@ -738,16 +742,24 @@ PRBool
SECMOD_GetDefaultModDBFlag(SECMODModule *mod)
{
char flags = (char) mod->isModuleDB;
return (flags & SECMOD_FLAG_MODULE_DB_DEFAULT_MODDB) ? PR_TRUE : PR_FALSE;
}
PRBool
+secmod_PolicyOnly(SECMODModule *mod)
+{
+ char flags = (char) mod->isModuleDB;
+
+ return (flags & SECMOD_FLAG_MODULE_DB_POLICY_ONLY) ? PR_TRUE : PR_FALSE;
+}
+
+PRBool
secmod_IsInternalKeySlot(SECMODModule *mod)
{
char flags = (char) mod->internal;
return (flags & SECMOD_FLAG_INTERNAL_KEY_SLOT) ? PR_TRUE : PR_FALSE;
}
void
@@ -1521,16 +1533,22 @@ SECMOD_LoadModule(char *modulespec,SECMO
if (library) PORT_Free(library);
if (moduleName) PORT_Free(moduleName);
if (parameters) PORT_Free(parameters);
if (nss) PORT_Free(nss);
if (config) PORT_Free(config);
if (!module) {
goto loser;
}
+
+ /* a policy only stanza doesn't actually get 'loaded'. policy has already
+ * been parsed as a side effect of the CreateModuleEx call */
+ if (secmod_PolicyOnly(module)) {
+ return module;
+ }
if (parent) {
module->parent = SECMOD_ReferenceModule(parent);
if (module->internal && secmod_IsInternalKeySlot(parent)) {
module->internal = parent->internal;
}
}
/* load it */
diff --git a/lib/util/utilpars.c b/lib/util/utilpars.c
--- a/lib/util/utilpars.c
+++ b/lib/util/utilpars.c
@@ -1139,17 +1139,18 @@ char *
*dbType = NSS_DB_TYPE_SQL;
PORT_Free(*filename);
*filename = NULL;
*rw = PR_FALSE;
}
/* only use the renamed secmod for legacy databases */
if ((*dbType != NSS_DB_TYPE_LEGACY) &&
- (*dbType != NSS_DB_TYPE_MULTIACCESS)) {
+ (*dbType != NSS_DB_TYPE_MULTIACCESS) &&
+ !NSSUTIL_ArgHasFlag("flags", "forceSecmodChoice", save_params)) {
secmodName="pkcs11.txt";
}
if (noModDB) {
value = NULL;
} else if (lconfigdir && lconfigdir[0] != '\0') {
value = PR_smprintf("%s" NSSUTIL_PATH_SEPARATOR "%s",
lconfigdir,secmodName);
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